hi sorry if this Q has been answered but i need some help...im currently building a pair of subs for my system but i dont know were i can find any 6-7 inch subs at a rating of 4ohm's...iv'e got an amp that pushes 150watts(RMS)x2 but ive got no subs and the speaker i had came off the surroundings and there beyond repair...i need to find a shop that has a pair of deceant 6-7 inch subs at around £40-£60...my problem is that partsexpress.com cost to much in shipping and im limited to .co.uk sites that do nxt day delivery and a croydon based shops...any sites or shop details would be really help-full